%% Inner theme
\useinnertheme[shadow=true]{rounded}

% Title page: default

% \defbeamertemplate*{title page}{default}[1][]%
% {
%   \vbox{}
%   \vfill
%   \begin{centering}
%     \begin{beamercolorbox}[sep=8pt,center,#1]{title}
%       \usebeamerfont{title}\inserttitle\par%
%       \ifx\insertsubtitle\@empty%
%       \else%
%         \vskip0.25em%
%         {\usebeamerfont{subtitle}\usebeamercolor[fg]{subtitle}\insertsubtitle\par}%
%       \fi%     
%     \end{beamercolorbox}\vskip0.5em
%     {\usebeamercolor[fg]{titlegraphic}\inserttitlegraphic\par}
%     %\vskip1em\par
%     \begin{beamercolorbox}[sep=8pt,center,#1]{author}
%       \usebeamerfont{author}\insertauthor
%     \end{beamercolorbox}
%     \begin{beamercolorbox}[sep=8pt,center,#1]{institute}
%       \usebeamerfont{institute}\insertinstitute
%     \end{beamercolorbox}
%     \begin{beamercolorbox}[sep=8pt,center,#1]{date}
%       \usebeamerfont{date}\insertdate
%     \end{beamercolorbox}
%   \end{centering}
%   \vfill
% }
